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Wireless IoT gateway features Linux/Java programming stack

Nov 25, 2015 — by Eric Brown 1,610 views

Calao unveiled a modular “Delta P100” IoT gateway with a Linux/Java OSGI programming stack, plus WiFi, 3G/4G, LoRa, SigFox, and other wireless options.

French embedded firm Calao Systems, which we last heard from in September with its Tegra K1-based SMC-NTKE1 SMARC module, has now spun its first Internet of Things gateway. This low-powered Delta P100 runs Debian Linux on the lowly, 700MHz ARM11 SoC that launched a million Raspberry Pi’s: the Broadcom BCM2835. The device is manufactured by Calao partner Eolane.

Delta P100
(click image to enlarge)

The Delta P100 industrial gateway offers “superior” facilities management, and supports “quick and easy connection, configuration and management of devices to remote hosted applications and distributed services,” says Calao. An open, Debian- and Java OSGI-based development environment provides Node-js or Node-RED visual development tools, enabling developers to implement “edge processing, multi-protocol capabilities, or a specific client software,” says the company.

The Delta P100 is equipped with a Fast Ethernet port as well as WiFi, and 3G/4G cellular. Other standard wireless features include the low-power LoRa (LoRaWAN) and ultra-narrowband SigFox cellular technology. Dual mini-PCIe slots support many more wireless options, while others such as ZigBee are available only on request.

Delta P100 conceptual diagram
(click image to enlarge)

Other features include dual USB 2.0 host ports, a micro-USB port, and dual serial ports (either RS232 or RS485. The system provides CAN and JTAG interfaces, plus six modular inputs and outputs that support a variety of industrial interface options. The gateway provides wide-range 9-36V power, and supports -20 to 70°C temperatures.


Specifications listed for the Delta P100 include:

  • Processor — Broadcom BCM2835 (1x ARM11 @ 700MHz); Broadcom VideoCore IV GPU
  • Memory/storage — 512MB SDRAM; 4GB eMMC flash
  • Wireless:
    • 802.11b/g/n
    • Cellular 4G @ 100Mbps,3G @ 21Mbps
    • LoRa
    • Sigfox
    • Optional mini-PCIe based Bluetooth, BLE, GPS/GNSS, ISM868, RFID, or ISM433, W-Mbus; ZigBee, Z-Wave, Enocean, etc. on demand
    • 2x antenna (female SMA); 2dBi detachable antennas
  • Networking — 10/100 Ethernet (2Kb I2C EEPROM with EUI-48 MAC Address and 128 bit Serial Number)
  • Other I/O:
    • 2x USB 2.0 host ports
    • Micro-USB device port (supports boot and firmware updates)
    • 2x RS232 or RS485 serial ports
    • CAN Bus
    • JTAG
    • 3x industrial inputs (Teleinfo, Interface S0, or standard, opto-isolated 24VDC output
    • 3x industrial outputs Relay COM/NO or NC, 2x isolated outputs, 24VDC input
  • Expansion — 2x mini-PCIe slots
  • Other features — Metal chassis; bracket or optional DIN rail mounting; optional metal outdoor IP66 wall or pole mounting
  • Operating temperature — -20 to 70°C
  • Power — 9-36VAC/VDC; aux. power 9-36VDC
  • Dimensions — 120 x 100mm footprint
  • Operating system — Debian Linux with Java OSGI

Further information

The Delta P100 will be available globally, says Calao, which did not include pricing or availability information. More information may be found at Calao’s Delta P100 product page.

(advertise here)

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